body
{
    background-color: #171a21;
    text-align: center;
}
body .gonggao
{
    display: block;
    color: white;
    font-size: 40px;
    margin: 80px 0;
}
body p
{
    display: block;
    color: #E9E9E9;
    font-size: 24px;
    text-align: left;
    margin: 10px 50px;
    text-indent: 2em;
}
body img
{
    float: left;
    text-align: left;
    margin: 10px 50px;
    text-indent: 2em;
}
body .shuming
{
    float: right;
    margin: 400px 20px 100px;
}